DOI QR코드

DOI QR Code

토지 실거래가격 추정을 위한 공동 크리깅기법의 적용가능성 연구

A Study for Applicability of Cokriging Techniques for Estimating the Real Transaction Price of Land

  • 최진호 (한국감정원 부동산연구원) ;
  • 김봉준 (한국감정원 부동산연구원)
  • Choi, Jin Ho (Real Estate R&D Institute, Korea Appraisal Board) ;
  • Kim, Bong Joon (Real Estate R&D Institute, Korea Appraisal Board)
  • 투고 : 2015.01.30
  • 심사 : 2015.03.09
  • 발행 : 2015.03.31

초록

최근 부동산거래의 투명성과 공평과세의 기반을 마련하고자 부동산 실거래가격의 활용에 대한 필요성이 증가하고 있다. 본 연구는 부동산 실거래가격의 활용과정에서 실거래 미발생지점에 대한 효과적인 가격추정을 위해 실거래 가격 및 고도, 경사도를 통합한 공동크리깅의 적용 가능성을 연구하였다. 이를 위해 경북 영천시의 2012년 1월부터 2014년 6월까지의 실거래 자료를 활용하여 실거래가격을 추정하였으며, 이를 정규크리깅 추정결과와 비교하였다. 추정된 가격과 2,575개 검증 지점의 실거래가격 사이 평균 오차, 평균제곱근오차 등을 분석한 결과 정규크리깅에 비해 공동크리깅 결과가 실거래가 추정과 현실화 측면에서 모두 효과적인 것으로 나타났다. 이는 지가형성에 영향을 미치는 고도, 경사 등의 영향요인이 고려되는 공동크리깅이 실거래가 추정에서 더 효과적임을 보여준다.

The need for estimating the real transaction price of land is increasing in order to build foundation for transparent land transaction and fair taxation. This study looked into the applicability of cokriging combining real transaction price of land, altitude and gradient for effective price estimation on the points where the real transaction does not take place in the course of using the real transaction price of land. The real transaction price of land have been estimated using the real transaction materials of Yeongcheon, Gyeongsangbuk-do from January 2012 to June 2014, and the results have been compared with the estimation results of ordinary kriging. As a result of analyzing the mean error and root mean square error (RMSE) of the estimated price and 2,575 verification points, it was found that compared to ordinary kriging, cokriging results were more effective in terms of the real transaction price estimation and actualization. The reason that cokriging is more effective in the real transaction price estimation is because it takes account of altitude and gradient which are the forces influencing the land value.

키워드

참고문헌

  1. Chasco, C. and Le Gallo, J., 2011, The Impact of objective and subjective measures of air quality and noise on house prices: A multilevel approach for downtown Madrid, [In ERSA conference papers (No. ersa11p168)], European Regional Science Association.
  2. Choi, J. K., 2007, Geostatistics, Seoul: SigmaPress.
  3. Choi, J. H. and Um, J. S., 2011, Comparative evaluation among different kriging techniques applied GOSAT $CO_2$ map for North East Asia, Journal of environmental impact assessment, Vol. 20, No. 6, pp. 879-890.
  4. Goovaerts, P., 1997, Geostatistics for natural resources evaluation, Oxford University Press, Oxford.
  5. Kim, J. H., 2012, An analysis on the change pattern of spatio-temporal land price in Gongju city using the geostatistical methods, Journal of the Korean Society for Geospatial Information System, Vol. 20, No. 4, pp. 93-99.
  6. Kim, J. H., 2014, Analysis of pattern change of real transaction price of apartment in Seoul, Journal of the Korean Society for Geospatial Information System, Vol. 22, No. 1, pp. 63-70. https://doi.org/10.7319/KOGSIS.2014.22.1.063
  7. Kim, J. Y. and Baik, M. S., 2014, Analysis of vertical equity of Taxation of land and its improvement, Korea Appraisal Society, Vol.12, No. 2, pp. 15-26.
  8. Kuntz, M. and Helbich, M., 2014, Geostatistical mapping of real estate prices: An empirical comparison of Kriging and cokriging", International Journal of Geographical Information Science, Vol. 28, No. 9, pp. 1-18. https://doi.org/10.1080/13658816.2013.801578
  9. Lee, G. H. and Kim, K. Y., 2013, A study on the spatial mismatch between the assessed land value and housing market price: Exploring the Scale Effect of the MAUP, Journal of the Korean.
  10. Liao, S. L. and Chen, J. Y., 2013, Spatial and temporal effects of high-speed rail on house p rices: The case of Kaohsiung city, 住宅學報, Vol. 22, No. 1, pp. 25-54.
  11. Park, N. W. and Jang, D. H., 2008, Mapping of temperature and rainfall using DEM and multivariate kriging, Journal of the Korean Geographical Society, Vol. 43, No. 6, pp. 1002-1015.
  12. Zmolnig, J., Tomintz, M. N. and Fotheringham, S. A., 2014, A spatial analysis of house prices in the kingdom of fife, Scotland, Musiklexikon, pp. 125-134.

피인용 문헌

  1. A Study on the Adjustment Money by Realization Rate of Land Characteristics for Cadastral Resurvey Project Area vol.2, pp.2, 2015, https://doi.org/10.30902/jrea.2016.2.2.77